using mkMerge now

flake.nix

@@ -56,14 +56,17 @@
           inputs.home-manager.nixosModules.default
         ];
         nix.settings.trusted-users = [ "root" "@wheel" ];
-        users.users.${config.user} = {
+        users.users.${config.user} = lib.mkMerge [
+          {
             isNormalUser = true;
             description = "John Lancaster";
             extraGroups = []
             ++ lib.optionals config.root [ "wheel" ]
             ++ lib.optionals config.docker [ "docker" ]
             ++ lib.optionals config.networking.networkmanager.enable [ "networkmanager" ];
-        } // userOptions config;
+          }
+          (userOptions config)
+        ];
 
         users.users.root = lib.mkIf config.root (userOptions config);
         security.sudo-rs = lib.mkIf config.root {